Home / 381,152.39-571,667.24-111,217.15

Finding the Fourth Proportional to 381,152.39, 571,667.24 and 111,217.15

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Solution

The fourth proportional to 381,152.39, 571,667.24 and 111,217.15 is: 166,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,152.39 : 571,667.24 = 111,217.15 : x
  2. Step 2: Convert to fraction form
    381,152.39/571,667.24 = 111,217.15/x
  3. Step 3: Cross multiply
    381,152.39x = 571,667.24 × 111,217.15
  4. Step 4: Simplify right side
    381,152.39x = 63,579,199,404.44
  5. Step 5: Solve for x
    x = 63,579,199,404.44/381,152.39
  6. Step 6: Final answer
    x = 166,807.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.